Ephti Biochemistry Pdf May 2026

Ephrins are cell surface-bound molecules that can be divided into two classes: Ephrin A and Ephrin B. Ephrin A molecules are attached to the cell surface via a glycosylphosphatidylinositol (GPI) anchor, while Ephrin B molecules have a transmembrane domain. Ephrins can interact with multiple Eph receptors, leading to the activation of various signaling pathways.